Home / 131,850.40-197,718-38,354.08

Finding the Fourth Proportional to 131,850.40, 197,718 and 38,354.08

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Solution

The fourth proportional to 131,850.40, 197,718 and 38,354.08 is: 57,514.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,850.40 : 197,718 = 38,354.08 : x
  2. Step 2: Convert to fraction form
    131,850.40/197,718 = 38,354.08/x
  3. Step 3: Cross multiply
    131,850.40x = 197,718 × 38,354.08
  4. Step 4: Simplify right side
    131,850.40x = 7,583,291,989.44
  5. Step 5: Solve for x
    x = 7,583,291,989.44/131,850.40
  6. Step 6: Final answer
    x = 57,514.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.